James Spader as Julian Rome

Janine Eser as Dr. Kate Brecher

John Lynch as Dr. Michael Straub

Leslie Stefanson as Nyla Olson

Carl Lewis as Grisham

Anthony Crivello as Pilot

Aimee Graham as Shelly Klein

Roy Dotrice as Dr. John Bachman

Keir Dullea as Secretary Bayer

Joel Polis as Copeland

Stuart Charno as Abell

George Stanchev as Airman

Rufus Dorsey as Navigator

Bert Emmett as Gordon Osler

Nikolai Binev as Dr. Alexi Gierach

Svetla Vasileva as Dacia

Kaloian Vodenicharov as Co-Pilot

Woody Schultz as Sam

Ron Krauss as First Man

William Ladd Skinner as Second Man

Franklin A. Vallette as Third Man

Hristo Aleksandrov as Fourth Man

Ross W. Clarkson as Falkland Man #1

Willie Botha as Falkland Man #2

Tyrone Pinkham as Kitt Peak Man #1

Atanas Srebrev as Kitt Peak Man #2

Mariana Stansheva as Reporter

Dobrin Dosev as Kapitan Sokolov

Atanas Atanasov as Xo Volkov

Hristo Shopov as Navigator Petrenko

Harry Anichkin as Army General

Velimir Velev as Alien